Secondary School (English Medium) (5 to 8) इयत्ता ७ - CBSE Question Bank Solutions

(–10) × (–5) + (–7) is equal to ______.

(–25) × [6 + 4] is not same as ______.

–35 × 107 is not same as ______.

23 × (–99) = ______ × (–100 + ______) = 23 × ______ + 23 × ______.

99 × 101 can be written as (100 – 1) × (100 + 1)

If a, b, c are integers and b ≠ 0 then, a × (b – c) = a × b – a × c

(a + b) × c = a × c + a × b

Evaluate the following, using distributive property.

–39 × 99

Evaluate the following, using distributive property.

(–85) × 43 + 43 × (–15)

Evaluate the following, using distributive property.

53 × (–9) –  (–109) × 53

Evaluate the following, using distributive property.

68 × (–17) + (–68) × 3

Find the area enclosed by the following figure:

Find the area enclosed by the following figure:

Find the area enclosed by the following figure:

Find the area enclosed by the following figure:

Find the product, using suitable properties:

26 × (− 48) + (− 48) × (− 36)

Find the product, using suitable properties:

8 × 53 × (−125)

Find the product, using suitable properties:

15 × (− 25) × (− 4) × (− 10)

Find the product, using suitable properties:

(− 41) × 102

Find the product, using suitable properties:

625 × (− 35) + (− 625) × 65